Alpinestars Bionic Rib Protector Youth World Formula engine mount We may charge extra if

We may charge extra if an extensive amount of bending is needed to fit seat

Mesh panels allow breathability

socks are ultra thin

with a clear laminate

Alpinestars Bionic Rib Protector Youth World Formula engine mount We may charge extra ifA high performance, lightweight, ergonomically constructed guard for the ribs and kidneys, the Bionic Rib Support incorporates intelligent adjustment features to offer kart drivers a supremely comfortable, customized and supporting fit. CUSTOMIZATION AND COMFORT Central adjustable back panel with Velcro attachments offers complete range of fit allowing protection to be worn under or over garment. Fully adjustable front strap with a D ring closure